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公开(公告)号:US1896593A
公开(公告)日:1933-02-07
申请号:US36635029
申请日:1929-05-27
Applicant: DIAMOND POWER SPECIALITY
Inventor: PURCELL THOMAS E
IPC: F28G3/16
CPC classification number: F28G3/166
公开(公告)号:US1896593A
公开(公告)日:1933-02-07
申请号:US36635029
申请日:1929-05-27
Applicant: DIAMOND POWER SPECIALITY
Inventor: PURCELL THOMAS E
IPC: F28G3/16
CPC classification number: F28G3/166